Tomaro, J.

Roark, P. & Tomaro, J., 1990. Internal evaluation of USAID assistance to the rural water supply and sanitation sector in Zaire, (Wash field report no. 313) Arlington, VA, USA: Water and Sanitation for Health Project (WASH). Available at: https://nl.ircwash.org/sites/default/files/824-ZR-7310.pdf.